EP3621403A4 - Method for performing random access process and device therefor - Google Patents

Method for performing random access process and device therefor Download PDF

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Publication number
EP3621403A4
EP3621403A4 EP18793973.1A EP18793973A EP3621403A4 EP 3621403 A4 EP3621403 A4 EP 3621403A4 EP 18793973 A EP18793973 A EP 18793973A EP 3621403 A4 EP3621403 A4 EP 3621403A4
Authority
EP
European Patent Office
Prior art keywords
random access
access process
device therefor
performing random
therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18793973.1A
Other languages
German (de)
French (fr)
Other versions
EP3621403A1 (en
Inventor
Jaehyung Kim
Joonkui Ahn
Seokmin SHIN
Seunggye Hwang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3621403A1 publication Critical patent/EP3621403A1/en
Publication of EP3621403A4 publication Critical patent/EP3621403A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2692—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP18793973.1A 2017-05-04 2018-05-04 Method for performing random access process and device therefor Withdrawn EP3621403A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762501176P 2017-05-04 2017-05-04
US201762542803P 2017-08-09 2017-08-09
PCT/KR2018/005172 WO2018203696A1 (en) 2017-05-04 2018-05-04 Method for performing random access process and device therefor

Publications (2)

Publication Number Publication Date
EP3621403A1 EP3621403A1 (en) 2020-03-11
EP3621403A4 true EP3621403A4 (en) 2021-01-06

Family

ID=64016964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18793973.1A Withdrawn EP3621403A4 (en) 2017-05-04 2018-05-04 Method for performing random access process and device therefor

Country Status (6)

Country Link
US (1) US11032853B2 (en)
EP (1) EP3621403A4 (en)
JP (1) JP7240328B2 (en)
KR (1) KR102133851B1 (en)
CN (1) CN110583091B (en)
WO (1) WO2018203696A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3402288B1 (en) * 2017-05-12 2021-02-24 ASUSTek Computer Inc. Method and apparatus for improving scheduling in a wireless communication system
EP3668251B1 (en) * 2017-08-09 2022-12-28 LG Electronics Inc. Method for performing random access process and device therefor
EP3667960B1 (en) * 2017-08-10 2023-04-05 Huawei Technologies Co., Ltd. Signal sending method, corresponding network device, and corresponding computer-readable storage medium
US11039469B2 (en) * 2017-10-09 2021-06-15 Qualcomm Incorporated Different methods for PRACH and PUSCH separation in NR
WO2019241961A1 (en) * 2018-06-21 2019-12-26 华为技术有限公司 Communication method, base station, and terminal
WO2020020335A1 (en) * 2018-07-27 2020-01-30 Oppo广东移动通信有限公司 Random access method and apparatus
US20220225411A1 (en) * 2019-05-03 2022-07-14 Telefonaktiebolaget Lm Ericsson (Publ) Method for accessing a cellular communications network in unlicensed spectrum
JP7350877B2 (en) * 2019-11-07 2023-09-26 株式会社Ｎｔｔドコモ Terminal, base station, communication system, and communication method
US11849488B2 (en) * 2020-06-05 2023-12-19 Qualcomm Incorporated Random access via an alternative frequency resource
CN116158050A (en) * 2020-08-07 2023-05-23 高通股份有限公司 Gap configuration in wireless communications
CN112272416A (en) * 2020-10-23 2021-01-26 锐迪科（重庆）微电子科技有限公司 Method and equipment for transmitting and receiving PRACH (physical random Access channel)
US11812479B2 (en) 2020-11-06 2023-11-07 Electronics And Telecommunications Research Institute Method and apparatus for random access in communication system
CN113316260B (en) * 2021-07-29 2021-12-14 广东省新一代通信与网络创新研究院 Data transmission method and device and computer storage medium
CN117693005A (en) * 2022-09-07 2024-03-12 华为技术有限公司 Random access method and communication device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160286555A1 (en) * 2015-03-26 2016-09-29 Samsung Electronics Co., Ltd Transmission of system information for low cost user equipment

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US8693412B2 (en) * 2007-03-20 2014-04-08 Alcatel Lucent Configurable random access channel structure for range extension in a wireless communication system
US8345804B2 (en) 2007-06-14 2013-01-01 Alcatel Lucent Simplified RACH preamble detection receiver
WO2014003339A1 (en) * 2012-06-27 2014-01-03 엘지전자 주식회사 Method and terminal for random access to small cell
WO2014110772A1 (en) 2013-01-17 2014-07-24 富士通株式会社 Random access method, device, and system
US9854609B2 (en) * 2013-07-26 2017-12-26 Lg Electronics Inc. Method for transmitting signal for MTC and apparatus for same
EP3043615B1 (en) 2013-09-16 2018-06-20 Huawei Technologies Co., Ltd. Method, user equipment, and base station for predetermination of resource in random access
US9661657B2 (en) 2013-11-27 2017-05-23 Intel Corporation TCP traffic adaptation in wireless systems
KR102391121B1 (en) * 2014-01-29 2022-04-27 인터디지탈 패튼 홀딩스, 인크 Method of access and link adaptation for coverage enhanced wireless transmissions
EP3113569B1 (en) 2014-03-21 2019-05-08 Huawei Technologies Co., Ltd. Random access response methods and terminal
KR20210064437A (en) * 2015-07-27 2021-06-02 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) Nb lte prach design
US20190068427A1 (en) * 2016-03-10 2019-02-28 Lg Electronics Inc. Method for performing random access procedure for single tone transmission in wireless comunication system and apparatus therefor
US11272550B2 (en) * 2016-03-16 2022-03-08 Telefonaktiebolaget Lm Ericsson (Publ) Narrowband internet of things random access channel configuration design
TWI620461B (en) * 2016-06-17 2018-04-01 財團法人資訊工業策進會 Narrowband internet of things system and preamble transmission method thereof
US10291451B2 (en) * 2016-11-07 2019-05-14 Qualcomm Incorporated PRACH design for larger cell radius
US10798734B2 (en) * 2017-03-28 2020-10-06 Centre Of Excellence In Wireless Technology Method and wireless device for transmitting RACH preamble in wireless communication network

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160286555A1 (en) * 2015-03-26 2016-09-29 Samsung Electronics Co., Ltd Transmission of system information for low cost user equipment

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "Narrowband IoT - Random Access Design", vol. RAN WG1, no. Anaheim, US; 20151115 - 20151122, 15 November 2015 (2015-11-15), XP051040118, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/Meetings_3GPP_SYNC/RAN1/Docs/> [retrieved on 20151115] *
LG ELECTRONICS: "Resource configuration for NPRACH range enhancement", vol. RAN WG1, no. Sanya, China; 20180416 - 20180420, 10 April 2018 (2018-04-10), XP051435600, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG1%5FRL1/TSGR1%5F92b/Docs/> [retrieved on 20180410] *
See also references of WO2018203696A1 *

Also Published As

Publication number Publication date
JP7240328B2 (en) 2023-03-15
US20200068620A1 (en) 2020-02-27
EP3621403A1 (en) 2020-03-11
US11032853B2 (en) 2021-06-08
WO2018203696A1 (en) 2018-11-08
CN110583091A (en) 2019-12-17
KR20190132470A (en) 2019-11-27
CN110583091B (en) 2023-03-28
KR102133851B1 (en) 2020-07-14
JP2020519192A (en) 2020-06-25

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